1105 - Purchasing Series
Federal Occupation Description
Federal Occupation Description
This series includes positions that involve supervising or performing work to acquire supplies, services, and construction by purchase, rental, or lease through (1) delivery orders and/or (2) small purchase procedures. The work requires knowledge of policies and procedures for delivery orders and small purchases. This work also requires knowledge of commercial supply sources and common business practices related to sales, prices, discounts, units of measurement, deliveries, stocks, and shipments.
For job opportunities in this series, go to the Office of Personnel Management USAJOBS website.
Other Federal Occupations
It is not uncommon for individuals in one federal occupational series to perform duties related to another series within the same federal occupational group. To find out about the certifications for another series in the BUSINESS AND INDUSTRY GROUP, click on that series below. Note that credentials have not yet been identified for all series – links are provided only to those series for which the identification of credentials has been completed. Additional series will be added over time.
- 1101 - General Business and Industry
- 1102 - Contracting Series
- 1103 - Industrial Property Management
- 1104 - Property Disposal Series
- 1106 - Procurement Clerical and Technician Series
- 1107 - Property Disposal Clerical and Technician Series
- 1109 - Grants Management Series
- 1130 - Public Utilities Specialist Series
- 1140 - Trade Specialist Series
- 1144 - Commissary Management Series
- 1145 - Agricultural Program Specialist Series
- 1146 - Agricultural Marketing Series
- 1147 - Agricultural Market Reporting Series
- 1150 - Industrial Specialist
- 1152 - Production Control
- 1160 - Financial Analysis Series
- 1163 - Insurance Examining Series
- 1165 - Loan Specialist Series
- 1169 - Internal Revenue Officer Series
- 1170 - Realty
- 1171 - Appraising Series
- 1173 - Housing Management Series
- 1176 - Building Management Series
- 1199 - Business and Industry Student Trainee Series

The following certifications have been identified as most relevant to the broad duties of this federal occupational series. Please note that these credentials may not reflect all of the unique job functions that you perform within your organization. Also these credentials may require additional education, training or experience. For more information about any credential, click on the credential title below.
Compare | Credential | Agency | Related As | GI Bill® | Accreditation | ID | |
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Certified Administrative Professional (CAP) Is Not In Demand | International Association of Administrative Professionals (IAAP) | ![]() |
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Certified Records Manager (CRM)
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Institute of Certified Records Managers (ICRM) | ![]() |
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Project Management Professional (PMP)
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Project Management Institute (PMI) | ![]() |
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Certified Professional Public Buyer (CPPB) Is Not In Demand | Universal Public Procurement Certification Council (UPPCC) | ![]() |
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Certified Public Purchasing Officer (CPPO) Is Not In Demand | Universal Public Procurement Certification Council (UPPCC) | ![]() |
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Certified Cost Estimator/Analyst (CCEA)
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International Cost Estimating and Analysis Association (ICEAA) | ![]() |
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Certified Associate in Project Management (CAPM)
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Project Management Institute (PMI) | ![]() |
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Certified Cost Professional (CCP) Is Not In Demand | AACE International | ![]() |
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Certified Analytics Professional (CAP) Is Not In Demand | Informs | ![]() |
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Professional Cost Estimator/Analyst (PCEA) Is Not In Demand | International Cost Estimating and Analysis Association (ICEAA) | ![]() |
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Federal Acquisition Certification - Contracting (FAC-C) Is Not In Demand | Federal Acquisition Institute (FAI) | ![]() |
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Associate Certified Analytics Professional (aCAP) Is Not In Demand | Informs | ![]() |
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Certified Records Analyst (CRA) Is Not In Demand | Institute of Certified Records Managers (ICRM) | ![]() |
State Licenses
Some states have specific licensing requirements for the following related civilian occupations. These state licenses may require additional education, training or experience. Click on the occupation below to get more information on state requirements from the U.S. Department of Labor.
- Administrative Services Managers
- Cost Estimators
- First-Line Supervisors of Office and Administrative Support Workers
- Government Property Inspectors and Investigators
- Purchasing Agents, Except Wholesale, Retail, and Farm Products
- Purchasing Managers
- Regulatory Affairs Specialists
- Wholesale and Retail Buyers, Except Farm Products
Related Civilian Private Sector Occupations
The following civilian private sector occupations are similar to the duties performed by 1105 - Purchasing Series. These occupations may require additional education, training or experience. For more information about these occupations, click on the civilian occupation below.
Civilian Job | Duties Matched | Bright Outlook | Registered Apprenticeship | Local Salary Info | |
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Administrative Services Managers |
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Business Intelligence Analysts |
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Cost Estimators |
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Customer Service Representatives |
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Eligibility Interviewers, Government Programs |
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First-Line Supervisors of Office and Administrative Support Workers |
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Government Property Inspectors and Investigators |
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Market Research Analysts and Marketing Specialists |
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Order Clerks |
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Order Fillers, Wholesale and Retail Sales |
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Procurement Clerks |
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Purchasing Agents, Except Wholesale, Retail, and Farm Products |
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Purchasing Managers |
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Regulatory Affairs Specialists |
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Wholesale and Retail Buyers, Except Farm Products |
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